000 005290000a22001690004500
090 _aAR
_b02242
245 1 0 _aLimitations of estimating bird populations because of vegetation structure and composition
650 1 4 _aRelación planta-animal
_992861
650 1 4 _aAves
_992429
650 1 4 _aEstructura de la vegetación
_992447
650 1 4 _aAgricultura
_9304
651 4 _pAlemania
_992749
041 0 _aInglés
100 1 _aOelke, Hans
_995756
942 _cARTICULO
773 1 _tStudies in Avian Biology
_31194
_q316-321
_d1981
_g6
999 _c11314
_d11314